Short bouts of higher-intensity exercise were found to make "clinically meaningful" improvements in blood pressure, according to a new study published in the journal Circulation.

As little as five minutes a day of moderate-to-vigorous exercise may help lower blood pressure, a new study suggests. While five minutes is the minimum amount to see any change in blood pressure, 10 or 20 minutes may be enough to see clinically meaningful improvements.

Nearly half of American adults have high blood pressure, a condition that raises the risk of heart attack and stroke. Of those, only 25% have their high blood pressure under control. High blood pressure can be caused by a range of factors,